Attaching an npc to a attached npc doesn't work

[fnafan8888888888]

For a better example, watch this video and go to 0:29 at it:
https://youtu.be/-qIAN9h5Tuc
You will notice that the para goomba needs a lot of hitting and that's because there is a lot of para goombas are attached to him and after one dies another one appears, I know some people might reply and say that this can be fixed by using npc health codes, but this need to be fixed because I want to attach other NPCs to others not the same npc only.

[3color BombDX]

You should download this video and then attach on your post, unfortunately 38A, the developer, doesn't have access to youtube

Edit: This is actually not a bug, it's just a custom boss created in the legacy SMBX engine

[fnafan8888888888]

Edit: This is actually not a bug, it's just a custom boss created in the legacy SMBX engine

But if you tested it in smbx 1.4.5 you'll notice that the other Para Goombas doesn't appear at the position of the original one.